Question
The table describes how some substances were formed.
Substance
Description
P
Formed by boiling pure water
Q
Formed by combining three hydrogen atoms to every nitrogen atom
R
Formed by adding 5 g of sugar to 1 L of water
S
Formed by compressing carbon under high pressure
Based on the given descriptions, which substance is most likely a mixture?
P
Q
R
S
Substance
Description
P
Formed by boiling pure water
Q
Formed by combining three hydrogen atoms to every nitrogen atom
R
Formed by adding 5 g of sugar to 1 L of water
S
Formed by compressing carbon under high pressure
Based on the given descriptions, which substance is most likely a mixture?
P
Q
R
S
Answers
GPT-4o mini
Based on the given descriptions, substance R is most likely a mixture.
- Substance P (boiling pure water) is a physical change and does not involve the formation of a mixture.
- Substance Q (combining three hydrogen atoms to every nitrogen atom) refers to a chemical compound (ammonia, NH3).
- Substance R (adding 5 g of sugar to 1 L of water) is a solution, which is a type of mixture where sugar (solute) is dissolved in water (solvent).
- Substance S (compressing carbon under high pressure) describes the formation of a solid (like diamond or graphite), which is not a mixture.
Therefore, the correct answer is R.
- Substance P (boiling pure water) is a physical change and does not involve the formation of a mixture.
- Substance Q (combining three hydrogen atoms to every nitrogen atom) refers to a chemical compound (ammonia, NH3).
- Substance R (adding 5 g of sugar to 1 L of water) is a solution, which is a type of mixture where sugar (solute) is dissolved in water (solvent).
- Substance S (compressing carbon under high pressure) describes the formation of a solid (like diamond or graphite), which is not a mixture.
Therefore, the correct answer is R.